USPTO Patents Application 10769756

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(19)

KOREAN INTELLECTUAL PROPERTY OFFICE

KOREAN PATENT ABSTRACTS

I lui nut::;! •

(43)Date of publication of application:

06.12.2003

(21 )Application number: 1 020020030301
(22)Date of filing: 30.05.2002

(71)Appllcant

(72)lnventor:

SAMSUNG ELECTRONICS
CO.. LTD.

LEE, GYEONG GEUN
NOH. MYEONG DO
PARK. CHANG MIN
PARK, IN SIK

YOON. DU SEOP

(51)lnt. CI

G11B 7/007

(54) OPTICAL DISC WITH PLENTY OF RECORDING LAYERS. AND METHOD AND DEVICE FOR
RECORDING AND REPRODUCING THE SAME

(57) Abstract:

PURPOSE: An optical disc with a plurality of
recording layers, and a method and a device for the
recording and reproducing thereof are provided to
carry out the data recording/reproducing reliably by
having more than two recording layers.

CONSTITUTION: An optical disc with a plurality of
recording layers includes first and second recording
Iayers(i0,^1 ) provided with disc-related information
zones in lead-in areas. The layers are provided with

the disc-related information zones, the connection]

zone, the disc control data zone and the defect management zone are disposed oppositely in the radial
direction but a test zone. A single test zone exists on the first recording layer or both test zones are exist at
the same position on both layers. The first and second recording layers have lead-out areas provided with
buffer zones adjacent to each other on a recording/reproducing path. The disc-related information zones
of the first and second information recording layers have the information on the both layers for reading the
information from either one when the other one is polluted.

© KlPO 2004

Legal Status

Final disposal of an application (application)

http://patent2.kipris,or.kr/newps/kpaJnnage/2002A1 020020030301 /kp... 2004-08-17

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